Rated current

Rated voltage

Worm drive

Thread type

Voltage rating (with AC)

Screw head

Length

72 mm (2)

78 mm (2)

350 mm (2)

Total length

2.5 mm (1)

Ø

38 mm (4)

Grid

5 mm (1)

21 mm (2)

22 mm (2)

max. outer Ø nut

13 mm (1)

max. thermal resistance

125 °C (4)

140 °C (7)

210 °C (4)

300 °C (5)

Sockets

A socket facilitates connecting two components. The base socket can be quickly attached to and detached from its counterpart. Ordinary light bulbs are usually screwed into the corresponding socket, while halogen and fluorescent light bulbs are equipped with multipolar pin terminals. Using special adapters, however, the two socket types become interchangeable. This is not the case with fluorescent light bulbs. These have a base socket on both sides and need a corresponding socket pair.